Home / 1,049,550.80-1,570,697.40-629,128.40

Finding the Fourth Proportional to 1,049,550.80, 1,570,697.40 and 629,128.40

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Solution

The fourth proportional to 1,049,550.80, 1,570,697.40 and 629,128.40 is: 941,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,550.80 : 1,570,697.40 = 629,128.40 : x
  2. Step 2: Convert to fraction form
    1,049,550.80/1,570,697.40 = 629,128.40/x
  3. Step 3: Cross multiply
    1,049,550.80x = 1,570,697.40 × 629,128.40
  4. Step 4: Simplify right side
    1,049,550.80x = 988,170,342,146.16
  5. Step 5: Solve for x
    x = 988,170,342,146.16/1,049,550.80
  6. Step 6: Final answer
    x = 941,517.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.